DIN933 hex bolt
Hex screws are produced as full thread according to DIN933 standard. All-thread hex bolts are produced in different sizes from M3 to M36 and are connected together with DIN934 simple hex nuts. Full thread hexagon screws are produced in iron grades 4.8, 5.6, dry steel grade 8.8, structural steel grade 10.9 and 12.9. The stainless steel grades of all-round hexagon screws include A2 and A4 grades, which A2 grade is made of 304 steel and A4 grade is made of 316 steel.